Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST 7 barg 1/2" x 2" (DN40)

1/2" x 2" (DN40)

Connections: Male x Ø 22 mm with compression fitting for copper pipe

- Ductile Iron Body

Materials: Ductile Cast Iron (EN-GJS-400-15 EN1563)

330mm long

Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST 7 barg 1/2" x 2" (DN40)Description This is a stock item. Order by 5pm Monday to Thursday and 4. 30pm Friday for same day despatch. The Altecnic Caleffi Series 309 Temperature & Pressure Relief Valve is designed to regulate and limit the temperature and pressure within domestic hot water storage heaters. It prevents the water from exceeding 100C and forming steam. When the pre set limits are reached, the valve safely discharges water into the atmosphere to restore pressure